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US20120268974 HIGH-RESOLUTION AND LOW-RESOLUTION SENSORS FOR PHASE DETECTION  
A phase detection system includes a low-resolution sensor and a high-resolution sensor for monitoring an alternating current (AC) voltage. A phase detector receives voltage samples from both the...
US20140303917 PRECISE ESTIMATION OF ARRIVAL TIME OF SWITCHING EVENTS CLOSE IN TIME AND SPACE  
Methods and systems for estimating arrival time of switching events include measuring two or more emission events from a device under test under different skew conditions. The two or more emission...
US20150094975 WAVELET TRANSFORM SYSTEM AND METHOD FOR VOLTAGE EVENTS DETECTION AND CLASSIFICATION  
Wavelet transform systems and methods for voltage events detection and classification are provided and include a wavelet multiresolution analysis-based real time detection and classification for...
US20070233409 Spectrum analyzer with cascadable trace math functions  
A spectrum analyzer is disclosed. The analyzer includes a detector, a trace memory, a controller, a trace math processor and a display. The controller generates a plurality of frequency selection...
US20090312967 PRODUCING A PHASOR REPRESENTATION OF AN ELECTRICAL ENTITY IN A MULTIPHASE AC ELECTRIC POWER SYSTEM  
A phasor representation of an electrical entity at a geographical location in a multiple phase AC electric power system is produced by receiving a synchronization signal from a remote source,...
US20120226458 SFP - DIAGNOSTIC  
A small form-factor pluggable (SFP) unit having signal diagnostic capabilities comprises one or more diagnostic measurement points. At least one of the one or more diagnostic measurement points...
US20070202811 SYSTEM FOR DETERMINING AND DISPLAYING COVERAGE REGIONSOF AN RFID READER/INTEGRATOR  
A 3-D verification system determines the volume effectively covered by a reader/integrator of RFID tags. This system is useful for displaying the distortions and the holes in an RF coverage region...
US20150160270 Primary Sensing of Output Voltage for an AC-DC Power Converter  
A method for estimating an output voltage of a power converter comprises sensing a voltage waveform representative of the output voltage; and detecting a first gap and a second gap. The first gap...
US20130024148 Electromagnetic Wave Source Survey Method, Electromagnetic Wave Source Survey Program, and Electromagnetic Wave Source Survey Device  
There is provided a technique in which a direction of current to be an electromagnetic wave source is precisely measured in a short time. An electromagnetic wave source survey method according to...
US20090292490 DETERMINING A TOTAL LENGTH FOR CONDUCTIVE WHISKERS IN COMPUTER SYSTEMS  
One embodiment of the present invention provides a system that determines a total whisker length for conductive whiskers on a circuit in a computer system. During operation, a target...
US20130253865 Alternating Current Input Voltage Detection Circuit  
An alternating current input voltage detection circuit comprises: a first voltage waveform detection circuit that detects a voltage waveform of one alternating current input terminal of the diode...
US20110166813 Dynamic Oscilloscope Triggering  
A test and measurement instrument includes an input terminal to receive a signal, acquisition circuitry to capture a plurality of triggered acquisitions, trigger circuitry to cause a trigger event...
US20150088445 DYNAMIC CHARACTERISATION OF AMPLIFIER USING MULTIPLE ENVELOPE SHAPING FUNCTIONS  
A method of characterizing an envelope tracking amplification stage, the method comprising: generating an input test waveform which is representative of an input waveform under normal operating...
US20110144935 ULTRASONIC INSPECTION USING ACOUSTIC MODELING  
Configuration of an ultrasonic inspection system is facilitated using an ultrasound response predicted by a simulation tool. In one embodiment, estimated material properties of an object to be...
US20100324849 AMPLITUDE COMPUTING APPARATUS AND AMPLITUDE COMPUTING METHOD  
An amplitude computing apparatus includes: a mean or median value computing unit configured to compute a mean or median value of a distribution of an input signal that changes sinusoidally; a mode...
US20100010760 METHOD OF ANALYZING REFLECTION WAVES USING EFFECTIVE IMPEDANCE  
Provided is a method for analyzing a reflection wave using effective impedance. The method includes the steps of: a) modeling a reflection surface of a building two-dimensionally; and b) obtaining...
US20140058692 MULTILEVEL TRIGGERING SYSTEM FOR OUTPUTTING COMPLEX TRIGGER SIGNAL  
A multilevel triggering system of a signal analysis instrument outputs a complex trigger signal. The triggering system includes a trigger controlled buffer for receiving and buffering an input...
US20110077883 Measurement of Fourier Coefficients Using Integrating Photometric Detector  
Provided is a measurement method of Fourier coefficients using an integrating photometric detector, wherein, when measuring an exposure (Sj) with a predetermined time interval during a...
US20110191046 TIME DOMAIN REFLECTOMETRY STEP TO S-PARAMETER CONVERSION  
A method and apparatus are provided for calculating s-parameters of a device under test from step waveforms acquired by a time domain network analyzer.
US20130211758 REFERENCE CLOCK RE-TIMING SCHEME IN ELECTRONIC CIRCUITS  
A phase detector includes a counter to generate the integer portion of a number of complete cycles of an output clock at each active edge of a reference clock. A time to digital converter in the...
US20050102115 Digital oscilloscope with customizable display for selected function options  
A Digital Oscilloscope has an information storage facility, a processor connected to the storage facility and having a data input, and a graphical display connected to the processor. The storage...
US20110320147 PRECISION MEASUREMENTS IN A FIBER OPTIC DISTRIBUTED SENSOR SYSTEM  
A fiber optic distributed vibration sensor provides a highly sensitive measurement of a measurand with a high degree of linearity. The distributed vibration sensor includes subsections configured...
US20090144003 Position only fit, POF, algorithm for blur spot target tracking & discrimination  
A method for determining the amplitude of an infrared object may include receiving an infrared image of the object from a sensor, and expressing the objects infrared amplitude as a function of its...
US20100030502 STRAY FLUX PROCESSING METHOD AND SYSTEM  
A method of and system for processing stray flux data associated with a synchronous electrical machine; the method comprising capturing stray flux data from the synchronous electrical machine;...
US20060184331 Controller for generating video signal, simulation system comprising the same, and method of generating video signal  
A system and method is provided for generating a video signal including a signal generator to generate the video signal, a user setting part to allow a user to set information for generating the...
US20130138375 System and Methods for Adaptive Equalization for Optical Modulation Formats  
A method for modifying the performance of an adaptive equalizer in a receiver is provided. A carrier wave comprising a first polarization state and a second polarization state, wherein there is a...
US20140257727 Method for Angle-Preserving Phase Embeddings  
One or more signal are embedded by producing complex-valued measurements of the signal by measuring the signal using a complex measurement matrix. Then, only a phase of the complex-valued...
US20070198202 MEASURING SIGNAL PROPAGATION AND ADJUSTABLE DELAYS IN ELECTRONIC DEVICES  
Systems and methods to measure signal propagation delay through objects. The system includes a controller, a single shot pulse generator, a first pulse/edge former, a multiplexer/demultiplexer, a...
US20070174010 Collective Behavior Modeling for Content Synthesis  
Disclosed are embodiments for generating visual patterns that exhibit interesting group dynamics. Embodiments include methods and systems for synthesizing collective attribute modeling, such as...
US20120290242 COUNTING DEVICE, PHYSICAL QUANTITY SENSOR, COUNTING METHOD AND PHYSICAL QUANTITY MEASURING METHOD  
The counting device includes: a signal counter that counts the number of half cycles of input signals during given counting periods; a signal half cycle measurement unit that measures the half...
US20140019076 MEDICAL DEVICE IDENTIFIER  
A medical device identifier can identify an implanted medical device. In one example arrangement, the medical device identifier sends electromagnetic signals to the implanted device according to...
US20100023288 ITERATIVE METHOD FOR CHARACTERIZING THE FREQUENCY DEPENDENCE OF THE LINEAR PROPERTIES OF AN ELECTRICAL COMPONENT  
Rational macromodeling of multiport devices is disclosed that can ensure high accuracy with arbitrary terminal conditions. This can be achieved by reformulating a vector fitting technique to fit...
US20100241398 Time Interpolation with Time-Varying Waveforms  
A method and apparatus for measuring a duration of an event using two time-varying waveforms, each waveform having characteristics such that the waveforms intersect at an intersecting point. The...
US20130006560 EVALUATING NOISE AND EXCESS CURRENT ON A POWER LINE  
The present document discloses several techniques of evaluating parameters relating to noise and excess current on a power line. The techniques are particularly well-suited for characterizing...
US20150177297 METHOD FOR DETERMINING THE ROTOR POSITION OF AN ELECTRICALLY-COMMUTED MULTI-PHASE DIRECT CURRENT MOTOR  
The invention relates to a generic method for determining the rotor position of an electronically-commutated multi-phase direct current motor, characterised in: (a) generating of a plurality of...
US20110306858 Systems And Methods For Wavelet Transform Using Mean-Adjusted Wavelets  
Methods and systems are disclosed for transforming a signal using a continuous wavelet transform based at least in part on a truncated, mean-adjusted wavelet. A wavelet may be truncated to a...
US20090119043 Phase imbalance monitoring apparatus, amplitude imbalance monitoring apparatus, and apparatus using the same  
The present invention discloses a phase imbalance monitoring apparatus, an amplitude imbalance monitoring apparatus, as well as an apparatus incorporating the same. The phase imbalance monitoring...
US20050165568 Alias detection when displaying FFTS  
For alias detection in the frequency domain a method is provided of acquiring a signal under test (SUT) at each of a first sample rate and a second sample rate to provide thereby respective first...
US20050114053 Magnetostrictive wavelet method for measuring pulse propagation time  
A magnetostrictive sensor system and a method of measuring a magnetostrictive sensor pulse is provided. The measurement system and method includes providing a digital buffer circuit connected with...
US20090055111 WAVEFORM ANOMOLY DETECTION AND NOTIFICATION SYSTEMS AND METHODS  
Systems and methods that may be used to detect anomalies in waveforms. The system may detect an anomaly automatically and without user intervention. In addition, the systems and methods may alert...
US20150219702 METHOD AND DEVICE FOR MONITORING THE STATE OF A NETWORK  
The present invention concerns a method of detecting electric variables of a three-phase AC network having a first, a second and a third phase, including the steps of measuring a respective...
US20090281738 TIRE INSPECTION DEVICE  
A tire inspection device generates an analyzing wavelet for wavelet transformation correlating time, corresponding to tire surface position, and frequency, based on a frequency representing a...
US20120041701 TIME-DOMAIN TRIGGERING IN A TEST AND MEASUREMENT INSTRUMENT  
Embodiments of this invention provide enhanced triggering capabilities such as frequency and phase triggering in a test and measurement instrument, such as a Real-Time Spectrum Analyzer (RTSA) or...
US20070055465 Method for treating seismic cubes corresponding, for a common zone on the ground, to different source/receiver and/or angle of incidence offset values  
Method for processing a set of seismic cubes corresponding to the same acquisition zone and at different source/receiver offset and/or angle of incidence values, characterised in that at least one...
US20140032149 CROSS DOMAIN TRIGGERING IN A TEST AND MEASUREMENT INSTRUMENT  
An apparatus and method for triggering an oscilloscope is disclosed. The oscilloscope is configured to process a first signal in a first domain and a second signal in a second domain. The method...
US20080243406 Temporally aligned waveform processing  
Methods for processing waveforms may include using temporal descriptor information about an input waveform to selectively request a segment of the input waveform that, when processed by a filter,...
US20080114555 Fast Extrapolation of a Thermal Sensor's Final Value and Discovery/Verification of a Thermal Sensor's Thermal Time Constant  
A power meter that uses a thermal mount whose response to changes in applied power is exponential, is equipped to digitally sample the conditions within the mount at a rate of many times per time...
US20110178749 Adaptive Triggers Method for MIDI Signal Period Measuring  
An initial positive trigger value is above a minimum positive trigger value which is above an input signal DC component value. An initial negative trigger value is under a maximum negative trigger...
US20080215268 Signal Outage Detection  
Disclosed are various embodiments for outage detection. In one embodiment, an outage detection system includes a signal sampler configured to sample a signal on a communications link and to...
US20140039821 METHOS OF SCANNING, ANALYZING AND IDENTIFYING ELECTROMAGNETIC FIELD SOURCES  
A method of determining the energy level of an electromagnetic field (EMF) received from an EMF source (EMFS) and for identifying the EMFS is provided, the method using a plurality of EMF sensing...

Matches 1 - 50 out of 217 1 2 3 4 5 >